Talk and work: a preliminary report. - David S. Pattison; Christian Bird; Premkumar T. Devanbu (MSR, 2008)

Latent social structure in open source projects. - Christian Bird; David S. Pattison; Raissa M. D'Souza; Vladimir Filkov; Premkumar T. Devanbu (SIGSOFT FSE, 2008)